blocked tear ducts, which cause tears to build up in
the eyes, may be caused by one or more conditions. They include:
Thickening of the tear duct lining. The tear
ducts may become narrow due to thickening, swelling, or inflammation of their
lining. This is called primary acquired nasolacrimal duct obstruction (PANDO)
and is most common in women over the age of 40.
An abnormal growth of tissue in the nose
(nasal polyps), or tumors.
Excessive growth of nasal
Misshapen bone (deviated septum) and/or cartilage (rubbery
tissue that coats the ends of bones) that divides the nostrils.
Complications after surgery on the face, eyes, or
sinuses, such as:
The repair of a broken bone in the
Surgery that changed the shape of the nose (nasal
A stone (lacrimal stone) that has formed within the
A broken cheekbone that puts pressure on a tear
Injury to the bones that hold and protect the eyes
Infection that causes swelling and redness of the eyelid
and surrounding skin (periorbital cellulitis). Infection may scar the tear
Tumors or other abnormal tissue growths that block tear
In this article
This information is produced and provided by the National
Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National
Institute via the Internet web site at http://
.gov or call 1-800-4-CANCER.
WebMD Medical Reference from Healthwise
October 09, 2013
This information is not intended to replace the advice of a doctor.
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